Home / 1,045.24-1,568.10-395.96

Finding the Fourth Proportional to 1,045.24, 1,568.10 and 395.96

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Solution

The fourth proportional to 1,045.24, 1,568.10 and 395.96 is: 594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.24 : 1,568.10 = 395.96 : x
  2. Step 2: Convert to fraction form
    1,045.24/1,568.10 = 395.96/x
  3. Step 3: Cross multiply
    1,045.24x = 1,568.10 × 395.96
  4. Step 4: Simplify right side
    1,045.24x = 620,904.88
  5. Step 5: Solve for x
    x = 620,904.88/1,045.24
  6. Step 6: Final answer
    x = 594.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.